Williams Sound PPA T46 Personal PA Body-pack Transmitter, Black/Silver, 1.25" OLED Interface Displays, Easy-to-use Menu-access Controls, 17-channel Selectable, Digitally Synthesized Frequencies Sleek, ergonomic design; 17-channel selectable, 72-76 MHz; Digitally synthesized frequencies 1.25" OLED interface displays (master & aux volume level, mic mute, settings lock, battery level), Easy-to-use menu-access controls MIC input accepts electret mic with 3.5 mm mono plug, AUX audio input accepts 2.5 mm stereo plug (i.e for MP3 or CD player) Range of up to 150 (with PPA R37 receiver), Belt clip for hands-free operation, Made in the USA Includes: (1) PPA T46 Transmitter, (1) BAT 001-2 (2) AA Batteries, (1) CLP 023 Belt Clip and (1) WCA 087 Auxiliary Input Cable